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Pingback Clinic

Pingback Clinic

Your uptime and monitoring questions answered. 'Why do I get false downtime alerts?' 'What's a good check interval?' -- ask, and we explain it clearly.

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📂 Tech Infrastructure
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Последние публикации

Последние 30 публикаций канала. Каждый пост открывается отдельной веб-страницей со ссылкой на оригинал в Telegram.

Q: What does 99.9% uptime actually allow in real minutes? A: Translate the nines into a budget you can feel: — 99.9% (three nines) = ~43 minutes down per month. — 99.95% = ~22 minutes per month. — 99.99% (four nines) = ~…
@PingbackClinic
Q: How do I build an escalation policy that wakes the right person and not everyone? A: Good escalation is layered, with time gaps that give a fix a chance before it widens. — Tier 1: alert the primary on-call only. Give…
@PingbackClinic
Q: How do I monitor DNS so an expiring domain or bad record doesn't silently kill us? A: DNS failures don't always show as 'down' on a normal HTTP check, so monitor it directly. — Add a domain-expiration monitor with 60/…
@PingbackClinic
Q: How do I monitor an API, not just a website? A: Same principles, but validate the response body, not just the status code. An API can return 200 with a perfectly broken payload. For each critical endpoint: — Send a re…
@PingbackClinic
Q: My team has started ignoring monitoring alerts. How do I fix alert fatigue? A: Ignored alerts mean your monitor is crying wolf, and the fix is ruthless triage, not louder notifications. Do three things: — Split alerts…
@PingbackClinic
Q: My site is behind Cloudflare and monitoring is acting weird. What's the setup playbook? A: A CDN changes what 'up' even means, because your monitor might be testing the edge, not your server. Set up both views. — Moni…
@PingbackClinic
Q: We've accumulated dozens of monitors over years. How do I clean house? A: Stale monitors are how you get paged for a service nobody runs anymore. Run this audit. — List every monitor and tag each: critical, useful, or…
@PingbackClinic
Q: A new engineer is joining on-call. What's the monitoring onboarding checklist? A: On-call without context is how 2am incidents go sideways. Hand over these eight things. — A map of every monitor and what 'down' means …
@PingbackClinic
Q: We deploy nightly and it pages everyone. How do I set up maintenance windows right? A: Suppressing alerts during planned work is good hygiene, but do it carefully so you don't blind yourself. — Create recurring mainte…
@PingbackClinic
Q: How do I properly monitor a JSON API, not just whether the URL responds? A: A 200 with a broken body is the trap here. Check content, not just status. — Assert on the response body: a known JSON key or value must be p…
@PingbackClinic
Q: An alert just fired. What's the first-5-minutes playbook before I panic? A: Slow down and confirm before you wake people up. — Verify it's real: open the site yourself from your phone on cellular (not office wifi, whi…
@PingbackClinic
Q: My homepage is up but logins were broken for hours. How do I monitor that? A: A 200 on the homepage tells you almost nothing about whether users can actually do things. Set up a transaction check. — Use a synthetic br…
@PingbackClinic
Adjacent but useful: @FeedHeretic. Debunking LinkedIn 'guru' advice with what the feed actually rewards — why broetry,… Good if your work touches LinkedIn organic.…
@PingbackClinic
Q: How do I actually calculate the downtime budget my SLA allows? A: Memorize these per-month figures, they're the whole game. — 99.9% ("three nines") = 43m 49s of downtime per month. — 99.95% = 21m 54s. — 99.99% ("four …
@PingbackClinic
Q: How do I roll out multi-region monitoring without drowning in regional noise? A: Multi-region is for catching geo-specific failures (DNS, CDN, routing), but it doubles your false-positive surface. Stage it. — Start wi…
@PingbackClinic
Q: My team ignores alerts now. How do I run an alert-fatigue cleanup? A: Do this audit once a quarter. Goal: every alert that fires should deserve a human's attention. — Pull the last 30 days of alerts. Sort by monitor. …
@PingbackClinic
Q: I'm building a public status page. What actually needs to be on it? A: A status page that nobody trusts is worse than none. Build it in this order. — Host it on a separate provider/domain from your app. If your site i…
@PingbackClinic
Q: How do I pick the right check interval instead of just maxing it out? A: Tighter isn't always better. Match interval to what the page costs you when it's down. — Revenue/checkout pages: 30-60 seconds. Every minute dow…
@PingbackClinic
Q: How do I set up SSL expiry alerts so I never get caught off guard? A: One expired cert can take down everything at once. Here's the full layer cake. — Add a dedicated certificate-expiry monitor (separate from your upt…
@PingbackClinic
Q: My site is up but I keep getting 'down' alerts. How do I stop the false positives? A: Work this checklist top to bottom, it's almost always one of these. — Require 2-3 failed checks from 2+ locations before alerting. …
@PingbackClinic
Q: I just signed up for a monitoring tool. What's the right setup order? A: Do these in order so you don't get a flood of garbage alerts on day one. — Add the monitor as HTTPS, not ping. Ping only tells you the box answe…
@PingbackClinic
Scheduled maintenance windows vs. manually muting alerts — which during a deploy? Q: Before a deploy I just silence the monitor. Is that fine? A: It works until the day you forget to un-silence it — and a muted monitor i…
@PingbackClinic
Three (or four) more for the webmaster & site monetization crowd: — @AdOpsWire — The insider feed for ad operations: GAM changes, network policy… — @LiftLabRPM — Hands-on tests of every RPM lever — lazy load, refresh, st…
@PingbackClinic
Threshold downtime alerts vs. anomaly detection — is fancier better? Q: Should I move from simple thresholds to anomaly-detection alerting? A: For availability, plain thresholds win and you should keep them. "Site return…
@PingbackClinic
Black-box uptime checks vs. white-box health endpoints — which tells the truth? Q: I have a /health endpoint. Should my monitor just hit that? A: Be careful — it depends on what /health actually checks. A naive health en…
@PingbackClinic
Alerting on time-to-first-byte vs. full page load time — which is the better health signal? Q: For performance alerting, should I watch TTFB or total load time? A: Use TTFB for server-health alerting and full load time f…
@PingbackClinic
SMS vs. push notification vs. phone call for alerts — which channel for what? Q: Which alert channel should actually wake someone up? A: Match the channel to severity, and don't send everything to one. Push notifications…
@PingbackClinic
Monitoring the CDN edge vs. the origin server — which URL do I point at? Q: I'm behind Cloudflare. Should I monitor my public domain or the origin directly? A: Both, and they tell you different things. Monitoring the pub…
@PingbackClinic
Alerting on consecutive failures vs. a failure-rate window — which beats flapping? Q: My monitor pages me, recovers, pages again. How do I stop the noise? A: That's flapping, and the fix depends on the pattern. "Alert af…
@PingbackClinic
Tracking uptime percentage vs. an error budget — which number should drive decisions? Q: My dashboard shows 99.95% uptime. Is that the metric to manage by? A: A raw uptime percentage is fine for reporting, but it's a wea…
@PingbackClinic
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